20511616114223 has 8 divisors (see below), whose sum is σ = 22851137316000. Its totient is φ = 18280909852128.

The previous prime is 20511616114217. The next prime is 20511616114247. The reversal of 20511616114223 is 32241161611502.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20511616114223 - 2³⁰ = 20510542372399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20511616114723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27203734523 + ... + 27203735276.

It is an arithmetic number, because the mean of its divisors is an integer number (2856392164500).

Almost surely, 2^{20511616114223} is an apocalyptic number.

20511616114223 is a deficient number, since it is larger than the sum of its proper divisors (2339521201777).

20511616114223 is a wasteful number, since it uses less digits than its factorization.

20511616114223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54407469841.

The product of its (nonzero) digits is 17280, while the sum is 35.

Adding to 20511616114223 its reverse (32241161611502), we get a palindrome (52752777725725).

The spelling of 20511616114223 in words is "twenty trillion, five hundred eleven billion, six hundred sixteen million, one hundred fourteen thousand, two hundred twenty-three".